Improvement di papee



i uiten. gisten datent @frn WILLiAM n. eLoUGH, or CAMBRIDGE,MASSACHUSETTS.

Letters Patent No. 81,253, ZatecZugust 18, 1868.

IMPROVEMENT IN PAPER-FILES.

llge tlgtmde referme in ilgese tettcts ititnt mit uniting gmt uitgetime.

To ALL WHOM 1T MAY coNcEnN;

Be it known that I, WILL IAM R. CLOUGH, of Cambridge, in the county ofMiddlesex, and State of Massa.-

chusetts, have invented certain new and useful Improvements inBill-Files; and I do hereby declare that the following is a'full andexact description thereof, reference being had to the accompanyingdrawings, and to the letters of reference marked thereon. Y

.The nature of my invention consists in making a new bill-le, byconnecting the cover or cap to the base by two links, the upper ends ofthe links being connected to the cap-piece by pivots, while the lowerends are free to slide in slots made'in the basel, the whole soconstructed that when the lower ends of thelinks are drawn towards eachother, the cap will be raised; if pushed apart, the cap will be lowered.

My invention also consists in the mode of fastening the lower ends ofthese links in any desired position;

To 'enable others skilled in the art to make and use my invention, Iwill proceed to describe-itsconstruction and use.

In the drawingsy Figure l is a perspective view of my bill-le. Figure 2is a vertical section of the saine.

A B represents the base, made of wood, or any suitable material,- andbeing provided with horizontal slots, i

H I, in which the lower ends of tbc links E E and D D', iig. 1, slide.

C is the cap or top piece, into which the upper ends K K' of the linksare fixed or pivoted.

N N', g. 2, are saddle-pieces, which move with the cross-bars E" D" ofthe links. These saddles are bevelled, as shown,v in iig. 2, so that, ifdesirable, they may act as wedges between the links E" D" and the underside of the base B, thus serving to hold the links in any desiredposition. y

If the lower ends of the links'are carried to the extreme ends of thebase, A B, the cap C will bc nnadc to assume the position indicated. bythe dotted lines at C', fig. 2.

The design and exactarrangernent of parts may be varied, if desired.

IVhat I claim as my invention, and desire to secure by`Letters Patent,is-

1. Combining, with the cap C, the two links E E' and D D with the base,A B, arranged and operating substantially as described, and for thepurpose set forth. A

2. Combining, with the links E E' andD D', the saddles N N', arrangedand operating substantially as described, and for. the purpose sotforth.

WM. R. CLOUGH. Witnesses:

FRANK G. Pannen,

A. HUN BERRY.

